added better url fixes

app.py

@@ -8,7 +8,7 @@ from flask import (
     flash,
     abort,
     jsonify,
-	session
+    session,
 )
 from flask_sqlalchemy import SQLAlchemy
 from flask_login import (
@@ -47,7 +47,7 @@ PORT = 5121
 app.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:////app/instance/db.sqlite"
 app.config["UPLOAD_FOLDER"] = "sites"
 app.config["SERVER_NAME"] = "tinysite.cloud"
-# app.config["SESSION_COOKIE_DOMAIN"] = ".tinysite.cloud"
+app.config["SESSION_COOKIE_DOMAIN"] = ".tinysite.cloud"
 db = SQLAlchemy(app)
 
 
@@ -72,11 +72,26 @@ RESERVED_SUBDOMAINS = {
 
 # TODO: add specific page redirects here as they're added
 def isDefaultRoute(hostname: str):
-	if hostname.count(".") < 2:
+    # exactly the main domain
+    if hostname == app.config["SERVER_NAME"]:
         return True
 
-	subdomain = hostname.split(".")[0]
-	return not subdomain or subdomain in RESERVED_SUBDOMAINS
+    # a reserved subdomain
+    parts = hostname.split(".")
+    server_parts = app.config["SERVER_NAME"].split(".")
+
+    # the host ends with the server domain
+    if parts[-len(server_parts) :] != server_parts:
+        return False
+
+    # subdomain portion
+    subdomain = ".".join(parts[: -len(server_parts)])
+
+    # any part of the subdomain is reserved
+    return (
+        any(part in RESERVED_SUBDOMAINS for part in subdomain.split("."))
+        or subdomain in RESERVED_SUBDOMAINS
+    )
 
 
 # Models
@@ -101,16 +116,29 @@ class Site(db.Model):
     created_at = db.Column(db.DateTime, default=datetime.utcnow)
 
 
+@app.context_processor
+def inject_subdomain():
+    host = request.host
+    server_parts = app.config["SERVER_NAME"].split(".")
+    host_parts = host.split(".")
+
+    subdomain = None
+    if host_parts[-len(server_parts) :] == server_parts:
+        subdomain_parts = host_parts[: -len(server_parts)]
+        if subdomain_parts:
+            subdomain = ".".join(subdomain_parts)
+
+    return {
+        "SUBDOMAIN": subdomain,
+        "FULL_DOMAIN": host,
+        "SERVERNAME": app.config["SERVER_NAME"],
+    }
+
+
 @app.errorhandler(404)
 def page_not_found(_):
     return render_template("404.html", domain=request.host), 404
 
-@app.context_processor
-def inject_global_variable():
-    return {
-        "SERVERNAME": app.config["SERVER_NAME"],
-    }
-
 
 # Auth setup
 login_manager = LoginManager()
@@ -327,11 +355,11 @@ def delete_file(site_id, filename):
     return redirect(url_for("dashboard"))
 
 
-# use subdomains
 @app.route("/", subdomain="<subdomain>", defaults={"filename": "index.html"})
-@app.route("/<path:filename>")
-def serve_site_content(filename):
-	subdomain = request.host.split(".")[0]
+@app.route("/<path:filename>", subdomain="<subdomain>")
+def serve_site_content(subdomain, filename):
+    if isDefaultRoute(request.host):
+        abort(404)  # Reserve default routes for main app
 
     site = Site.query.filter_by(subdomain=subdomain).first_or_404()
     site.last_accessed = datetime.utcnow()
@@ -341,12 +369,9 @@ def serve_site_content(filename):
         app.config["UPLOAD_FOLDER"], str(site.user_id), str(site.id)
     )
 
-	if isDefaultRoute(request.host):
-		return send_from_directory("index.html")
-
-	# Security check
+    # Security checks
     if ".." in filename or filename.startswith("/") or not os.path.exists(site_dir):
-		return render_template("404.html"), 404
+        abort(404)
 
     try:
         return send_from_directory(site_dir, filename)
@@ -355,7 +380,6 @@ def serve_site_content(filename):
             try:
                 return send_from_directory(site_dir, f"{filename}.html")
             except NotFound:
-				redirect(app.config["SERVER_NAME"])
                 return send_from_directory(site_dir, "index.html")
         abort(404)
 
@@ -374,10 +398,9 @@ def inject_utilities():
 
 @app.route("/")
 def home():
-	if isDefaultRoute(request.host):
+    if not isDefaultRoute(request.host):
+        abort(404)
     return render_template("home.html")
-	else:
-		return serve_site_content("index.html")
 
 
 if __name__ == "__main__":

templates/base.html

@@ -13,14 +13,13 @@
 	<meta property="og:description"
 		content="Host and share your static sites effortlessly with ION Static Site Hosting. Enjoy instant deployment, a sleek dark mode interface, and secure, private data handling!">
 	<meta property="og:image" content="{{ url_for('static', filename='hosting.png') }}">
-	<meta property="og:url" content="https://{{session['servername']}}/">
+	<meta property="og:url" content="https://{{ SERVERNAME }}/">
 	<meta name="twitter:card" content="{{ url_for('static', filename='hosting.png') }}">
 	<meta name="twitter:title" content="ION Static Site Hosting">
 	<meta name="twitter:description"
 		content="Host and share your static sites effortlessly with ION Static Site Hosting. Enjoy instant deployment, a sleek dark mode interface, and secure, private data handling!">
 	<meta name="twitter:image" content="{{ url_for('static', filename='hosting.png') }}">
 
-
 	<title>ION Static Site Hosting - {% block title %}{% endblock %}</title>
 	<link rel="stylesheet" href="{{ url_for('static', filename='styles.css') }}" id="theme-style">
 	<link rel="icon" href="{{ url_for('static', filename='favicon.ico') }}">
@@ -53,13 +52,13 @@
 <body>
 	<nav class="navbar">
 		<div class="container">
-			<a href="https://{{ SERVERNAME }}">Home</a>
+			<a href="{{ url_for('home', _external=True) }}">Home</a>
 			{% if current_user.is_authenticated %}
-			<a href="https://{{ SERVERNAME }}/dashboard">Dashboard</a>
-			<a href="https://{{ SERVERNAME }}/logout">Logout</a>
+			<a href="{{ url_for('dashboard', _external=True) }}">Dashboard</a>
+			<a href="{{ url_for('logout', _external=True) }}">Logout</a>
 			{% else %}
-			<a href="{{ url_for('login') }}">Login</a>
-			<a href="{{ url_for('register') }}">Register</a>
+			<a href="{{ url_for('login', _external=True) }}">Login</a>
+			<a href="{{ url_for('register', _external=True) }}">Register</a>
 			{% endif %}
 			<button id="theme-toggle" class="btn">Toggle Dark Mode</button>
 		</div>